About KANDA MASUO
About 斜面防災研究所
About ARAI KATSUHIKO
About 日本地すべり学会誌
About rock fall
About prevention against falling stone
About protective facility
About kinetic energy
About height
About jumping phenomenon
About forecast
About collision
About simulation
About restitution coefficient
About energy
About mechanical quantity
About 衝突高さ
About 跳躍量
About 落石シミュレーション
About 落石運動エネルギー
About Slope stability,deformation by excavating
About General,sabo engineering
About 落石
About 跳躍
About 予測方法
About 提案